20521590

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{684053}}^1$

素因数の和:684063

約数の個数: 16

約数和(自身を含む): 49251888

約数和(自身を除く): 28730298

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 684053, 1368106, 2052159, 3420265, 4104318, 6840530, 10260795, 20521590]

約数ペア:

[(1, 20521590), (2, 10260795), (3, 6840530), (5, 4104318), (6, 3420265), (10, 2052159), (15, 1368106), (30, 684053)]